IDSR Series - UL Class RK5 Dual-Element Time Delay Fuses with Indication

IDSR Series - Littelfuse IDSR Fuses Provide Exceptional Overcurrent Protection with Indication

Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

The time-delay, dual-element IDSR series fuses combine a 600 V dc capability with indication to provide an ideal solution for many dc applications. These fuses offer a patented, state-of-the-art, solid-state design with maximum reliability and superior performance characteristics.

Features

Excellent short-circuit protection
Dual-element design
Current-limiting
Visual blown fuse indication

Access specifications, certifications, check availability and order parts below

Catalog #	Amps (A)	Interrupting Rating	Opening	VAC (V)	VDC (V)	Size	Stock	Samples

IDSR.100	0.1	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR.150	0.15	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR.200	0.2	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR.250	0.25	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR.300	0.3	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR.400	0.4	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR.500	0.5	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR.600	0.6	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR.800	0.8	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR001	1	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR01.4	1.4	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR01.5	1.5	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR01.6	1.6	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR01.8	1.8	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR1.12	1.125	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR1.25	1.25	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR002	2	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR02.5	2.5	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR02.8	2.8	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR2.25	2.25	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR003	3	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR03.2	3.2	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR03.5	3.5	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR004	4	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR04.5	4.5	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR005	5	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR05.6	5.6	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR006	6	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR6.25	6.25	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR007	7	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR07.5	7.5	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR008	8	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR009	9	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR010	10	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR012	12	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR015	15	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR17.5	17.5	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR020	20	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR025	25	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR030	30	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR035	35	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR040	40	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR045	45	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR050	50	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR060	60	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Industrial Cartridge	Check	Order
IDSR070	70	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Knife-Blade	Check	Order
IDSR075	75	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Knife-Blade	Check	Order
IDSR080	80	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Knife-Blade	Check	Order
IDSR090	90	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Knife-Blade	Check	Order
IDSR100	100	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Knife-Blade	Check	Order
IDSR110	110	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Knife-Blade	Check	Order
IDSR125	125	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Knife-Blade	Check	Order
IDSR150	150	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Knife-Blade	Check	Order
IDSR175	175	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Knife-Blade	Check	Order
IDSR200	200	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Knife-Blade	Check	Order
IDSR225	225	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Knife-Blade	Check	Order
IDSR250	250	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Knife-Blade	Check	Order
IDSR300	300	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Knife-Blade	Check	Order
IDSR350	350	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Knife-Blade	Check	Order
IDSR400	400	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Knife-Blade	Check	Order
IDSR450	450	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Knife-Blade	Check	Order
IDSR500	500	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Knife-Blade	Check	Order
IDSR600	600	20 kA @ 600 Vdc	Slo-Blo/Time Lag (T)/Time Delay	600	600	Knife-Blade	Check	Order

Catalog #	Certificates

IDSR.100
IDSR.150
IDSR.200
IDSR.250
IDSR.300
IDSR.400
IDSR.500
IDSR.600
IDSR.800
IDSR001
IDSR01.4
IDSR01.5
IDSR01.6
IDSR01.8
IDSR1.12
IDSR1.25
IDSR002
IDSR02.5
IDSR02.8
IDSR2.25
IDSR003
IDSR03.2
IDSR03.5
IDSR004
IDSR04.5
IDSR005
IDSR05.6
IDSR006
IDSR6.25
IDSR007
IDSR07.5
IDSR008
IDSR009
IDSR010
IDSR012
IDSR015
IDSR17.5
IDSR020
IDSR025
IDSR030
IDSR035
IDSR040
IDSR045
IDSR050
IDSR060
IDSR070
IDSR075
IDSR080
IDSR090
IDSR100
IDSR110
IDSR125
IDSR150
IDSR175
IDSR200
IDSR225
IDSR250
IDSR300
IDSR350
IDSR400
IDSR450
IDSR500
IDSR600

	IDSR Time Current Curves
	IDSR 35-60A 2D Print PDF
	IDSR 225-400A 2D Print PDF
	IDSR 1-9A 2D Print PDF
	IDSR 450-600A 2D Print PDF
	IDSR 70-100A 2D Print PDF
	IDSR 0.100-0.800A 2D Print PDF
	IDSR 110-200A 2D Print PDF
	IDSR 35-60A 3D Model STP
	IDSR 225-400A 3D Model STP
	IDSR 70-100A 3D Model STP
	IDSR 0.100-0.800A 3D Model STP
	IDSR 110-200A 3D Model STP
	IDSR 450-600A 3D Model STP
	IDSR 225-400A CAD DWG
	IDSR 35-60A CAD DWG
	IDSR 70-100A CAD DWG
	IDSR 0.100-0.800A CAD DWG
	IDSR 110-200A CAD DWG
	IDSR 450-600A CAD DWG
	IDSR Datasheet
	Fuse Fundamentals Technical Paper

Showing 2 items

- LFR
  Class R Indicating Fuse Blocks
- Fuse Type: Class R
- Indicating: No, Yes
- Information Not Available
- LF Series Covers
  UL Class Fuseblock Touch-Safe Covers
- Max Amps: 30, 60, 100, 200, 400, 600
- Information Not Available
- Information Not Available

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Semiconductors

IDSR Series - Littelfuse IDSR Fuses Provide Exceptional Overcurrent Protection with Indication

Product Literature

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